parsing_cocci/ast0_cocci.mli

   1 (*
   2  * Copyright 2012, INRIA
   3  * Julia Lawall, Gilles Muller
   4  * Copyright 2010-2011, INRIA, University of Copenhagen
   5  * Julia Lawall, Rene Rydhof Hansen, Gilles Muller, Nicolas Palix
   6  * Copyright 2005-2009, Ecole des Mines de Nantes, University of Copenhagen
   7  * Yoann Padioleau, Julia Lawall, Rene Rydhof Hansen, Henrik Stuart, Gilles Muller, Nicolas Palix
   8  * This file is part of Coccinelle.
   9  *
  10  * Coccinelle is free software: you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation, according to version 2 of the License.
  13  *
  14  * Coccinelle is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with Coccinelle.  If not, see <http://www.gnu.org/licenses/>.
  21  *
  22  * The authors reserve the right to distribute this or future versions of
  23  * Coccinelle under other licenses.
  24  *)
  25
  26
  27 (* --------------------------------------------------------------------- *)
  28 (* Modified code *)
  29
  30 type arity = OPT | UNIQUE | NONE
  31
  32 type token_info =
  33     { tline_start : int; tline_end : int;
  34       left_offset : int; right_offset : int }
  35 val default_token_info : token_info
  36
  37 type mcodekind =
  38     MINUS       of (Ast_cocci.anything Ast_cocci.replacement * token_info) ref
  39   | PLUS        of Ast_cocci.count
  40   | CONTEXT     of (Ast_cocci.anything Ast_cocci.befaft *
  41                       token_info * token_info) ref
  42   | MIXED       of (Ast_cocci.anything Ast_cocci.befaft *
  43                       token_info * token_info) ref
  44
  45 type position_info = { line_start : int; line_end : int;
  46                        logical_start : int; logical_end : int;
  47                        column : int; offset : int; }
  48
  49 type info = { pos_info : position_info;
  50               attachable_start : bool; attachable_end : bool;
  51               mcode_start : mcodekind list; mcode_end : mcodekind list;
  52               (* the following are only for + code *)
  53               strings_before : (Ast_cocci.added_string * position_info) list;
  54               strings_after : (Ast_cocci.added_string * position_info) list;
  55               isSymbolIdent : bool; (* is the token a symbol identifier or not *) }
  56
  57 type 'a mcode =
  58     'a * arity * info * mcodekind * anything list ref (* pos, - only *) *
  59       int (* adjacency_index *)
  60
  61 and 'a wrap =
  62     { node : 'a;
  63       info : info;
  64       index : int ref;
  65       mcodekind : mcodekind ref;
  66       exp_ty : Type_cocci.typeC option ref; (* only for expressions *)
  67       bef_aft : dots_bef_aft; (* only for statements *)
  68       true_if_arg : bool; (* true if "arg_exp", only for exprs *)
  69       true_if_test : bool; (* true if "test position", only for exprs *)
  70       true_if_test_exp : bool;(* true if "test_exp from iso", only for exprs *)
  71       (*nonempty if this represents the use of an iso*)
  72       iso_info : (string*anything) list }
  73
  74 and dots_bef_aft =
  75     NoDots | AddingBetweenDots of statement | DroppingBetweenDots of statement
  76
  77 (* for iso metavariables, true if they can only match nonmodified, unitary
  78    metavariables
  79    for SP metavariables, true if the metavariable is unitary (valid up to
  80    isomorphism phase only) *)
  81 and pure = Impure | Pure | Context | PureContext (* pure and only context *)
  82
  83 (* --------------------------------------------------------------------- *)
  84 (* --------------------------------------------------------------------- *)
  85 (* Dots *)
  86
  87 and 'a base_dots =
  88     DOTS of 'a list
  89   | CIRCLES of 'a list
  90   | STARS of 'a list
  91
  92 and 'a dots = 'a base_dots wrap
  93
  94 (* --------------------------------------------------------------------- *)
  95 (* Identifier *)
  96
  97 and base_ident =
  98     Id            of string mcode
  99   | MetaId        of Ast_cocci.meta_name mcode * Ast_cocci.idconstraint *
 100         Ast_cocci.seed * pure
 101   | MetaFunc      of Ast_cocci.meta_name mcode * Ast_cocci.idconstraint * pure
 102   | MetaLocalFunc of Ast_cocci.meta_name mcode * Ast_cocci.idconstraint * pure
 103   | DisjId        of string mcode * ident list *
 104                      string mcode list (* the |s *) * string mcode
 105   | OptIdent      of ident
 106   | UniqueIdent   of ident
 107
 108 and ident = base_ident wrap
 109
 110 (* --------------------------------------------------------------------- *)
 111 (* Expression *)
 112
 113 and base_expression =
 114     Ident          of ident
 115   | Constant       of Ast_cocci.constant mcode
 116   | FunCall        of expression * string mcode (* ( *) *
 117                       expression dots * string mcode (* ) *)
 118   | Assignment     of expression * Ast_cocci.assignOp mcode * expression *
 119                       bool (* true if it can match an initialization *)
 120   | Sequence       of expression * string mcode (* , *) * expression
 121   | CondExpr       of expression * string mcode (* ? *) * expression option *
 122                       string mcode (* : *) * expression
 123   | Postfix        of expression * Ast_cocci.fixOp mcode
 124   | Infix          of expression * Ast_cocci.fixOp mcode
 125   | Unary          of expression * Ast_cocci.unaryOp mcode
 126   | Binary         of expression * Ast_cocci.binaryOp mcode * expression
 127   | Nested         of expression * Ast_cocci.binaryOp mcode * expression
 128   | Paren          of string mcode (* ( *) * expression *
 129                       string mcode (* ) *)
 130   | ArrayAccess    of expression * string mcode (* [ *) * expression *
 131                       string mcode (* ] *)
 132   | RecordAccess   of expression * string mcode (* . *) * ident
 133   | RecordPtAccess of expression * string mcode (* -> *) * ident
 134   | Cast           of string mcode (* ( *) * typeC * string mcode (* ) *) *
 135                       expression
 136   | SizeOfExpr     of string mcode (* sizeof *) * expression
 137   | SizeOfType     of string mcode (* sizeof *) * string mcode (* ( *) *
 138                       typeC * string mcode (* ) *)
 139   | TypeExp        of typeC
 140   | Constructor    of string mcode (* ( *) * typeC * string mcode (* ) *) *
 141                       initialiser
 142   | MetaErr        of Ast_cocci.meta_name mcode * constraints * pure
 143   | MetaExpr       of Ast_cocci.meta_name mcode * constraints *
 144                       Type_cocci.typeC list option * Ast_cocci.form * pure
 145   | MetaExprList   of Ast_cocci.meta_name mcode (* only in arglists *) *
 146                       listlen * pure
 147   | AsExpr         of expression * expression (* as expr, always metavar *)
 148   | EComma         of string mcode (* only in arglists *)
 149   | DisjExpr       of string mcode * expression list * string mcode list *
 150                       string mcode
 151   | NestExpr       of string mcode * expression dots * string mcode *
 152                       expression option * Ast_cocci.multi
 153   | Edots          of string mcode (* ... *) * expression option
 154   | Ecircles       of string mcode (* ooo *) * expression option
 155   | Estars         of string mcode (* *** *) * expression option
 156   | OptExp         of expression
 157   | UniqueExp      of expression
 158
 159 and expression = base_expression wrap
 160
 161 and constraints =
 162     NoConstraint
 163   | NotIdCstrt     of Ast_cocci.reconstraint
 164   | NotExpCstrt    of expression list
 165   | SubExpCstrt    of Ast_cocci.meta_name list
 166
 167 and listlen =
 168     MetaListLen of Ast_cocci.meta_name mcode
 169   | CstListLen of int
 170   | AnyListLen
 171
 172 (* --------------------------------------------------------------------- *)
 173 (* Types *)
 174
 175 and base_typeC =
 176     ConstVol        of Ast_cocci.const_vol mcode * typeC
 177   | BaseType        of Ast_cocci.baseType * string mcode list
 178   | Signed          of Ast_cocci.sign mcode * typeC option
 179   | Pointer         of typeC * string mcode (* * *)
 180   | FunctionPointer of typeC *
 181                   string mcode(* ( *)*string mcode(* * *)*string mcode(* ) *)*
 182                   string mcode (* ( *)*parameter_list*string mcode(* ) *)
 183   | FunctionType    of typeC option *
 184                        string mcode (* ( *) * parameter_list *
 185                        string mcode (* ) *)
 186   | Array           of typeC * string mcode (* [ *) *
 187                        expression option * string mcode (* ] *)
 188   | EnumName        of string mcode (*enum*) * ident option (* name *)
 189   | EnumDef  of typeC (* either StructUnionName or metavar *) *
 190         string mcode (* { *) * expression dots * string mcode (* } *)
 191   | StructUnionName of Ast_cocci.structUnion mcode * ident option (* name *)
 192   | StructUnionDef  of typeC (* either StructUnionName or metavar *) *
 193         string mcode (* { *) * declaration dots * string mcode (* } *)
 194   | TypeName        of string mcode
 195   | MetaType        of Ast_cocci.meta_name mcode * pure
 196   | AsType          of typeC * typeC (* as type, always metavar *)
 197   | DisjType        of string mcode * typeC list * (* only after iso *)
 198                        string mcode list (* the |s *)  * string mcode
 199   | OptType         of typeC
 200   | UniqueType      of typeC
 201
 202 and typeC = base_typeC wrap
 203
 204 (* --------------------------------------------------------------------- *)
 205 (* Variable declaration *)
 206 (* Even if the Cocci program specifies a list of declarations, they are
 207    split out into multiple declarations of a single variable each. *)
 208
 209 and base_declaration =
 210     MetaDecl   of Ast_cocci.meta_name mcode * pure (* variables *)
 211   | MetaField  of Ast_cocci.meta_name mcode * pure (* structure fields *)
 212   | MetaFieldList of Ast_cocci.meta_name mcode * listlen * pure
 213   | AsDecl        of declaration * declaration
 214   | Init       of Ast_cocci.storage mcode option * typeC * ident *
 215         string mcode (*=*) * initialiser * string mcode (*;*)
 216   | UnInit     of Ast_cocci.storage mcode option * typeC * ident *
 217         string mcode (* ; *)
 218   | TyDecl of typeC * string mcode (* ; *)
 219   | MacroDecl of ident (* name *) * string mcode (* ( *) *
 220         expression dots * string mcode (* ) *) * string mcode (* ; *)
 221   | MacroDeclInit of ident (* name *) * string mcode (* ( *) *
 222         expression dots * string mcode (* ) *) * string mcode (*=*) *
 223         initialiser * string mcode (* ; *)
 224   | Typedef of string mcode (* typedef *) * typeC * typeC * string mcode (*;*)
 225   | DisjDecl   of string mcode * declaration list * string mcode list *
 226                   string mcode
 227   | Ddots      of string mcode (* ... *) * declaration option (* whencode *)
 228   | OptDecl    of declaration
 229   | UniqueDecl of declaration
 230
 231 and declaration = base_declaration wrap
 232
 233 (* --------------------------------------------------------------------- *)
 234 (* Initializers *)
 235
 236 and base_initialiser =
 237     MetaInit of Ast_cocci.meta_name mcode * pure
 238   | MetaInitList of Ast_cocci.meta_name mcode * listlen * pure
 239   | AsInit of initialiser * initialiser (* as init, always metavar *)
 240   | InitExpr of expression
 241   | InitList of string mcode (*{*) * initialiser_list * string mcode (*}*) *
 242         bool (* true if ordered, false if unordered *)
 243   | InitGccExt of
 244       designator list (* name *) * string mcode (*=*) *
 245         initialiser (* gccext: *)
 246   | InitGccName of ident (* name *) * string mcode (*:*) *
 247         initialiser
 248   | IComma of string mcode
 249   | Idots  of string mcode (* ... *) * initialiser option (* whencode *)
 250   | OptIni    of initialiser
 251   | UniqueIni of initialiser
 252
 253 and designator =
 254     DesignatorField of string mcode (* . *) * ident
 255   | DesignatorIndex of string mcode (* [ *) * expression * string mcode (* ] *)
 256   | DesignatorRange of
 257       string mcode (* [ *) * expression * string mcode (* ... *) *
 258       expression * string mcode (* ] *)
 259
 260 and initialiser = base_initialiser wrap
 261
 262 and initialiser_list = initialiser dots
 263
 264 (* --------------------------------------------------------------------- *)
 265 (* Parameter *)
 266
 267 and base_parameterTypeDef =
 268     VoidParam     of typeC
 269   | Param         of typeC * ident option
 270   | MetaParam     of Ast_cocci.meta_name mcode * pure
 271   | MetaParamList of Ast_cocci.meta_name mcode * listlen * pure
 272   | PComma        of string mcode
 273   | Pdots         of string mcode (* ... *)
 274   | Pcircles      of string mcode (* ooo *)
 275   | OptParam      of parameterTypeDef
 276   | UniqueParam   of parameterTypeDef
 277
 278 and parameterTypeDef = base_parameterTypeDef wrap
 279
 280 and parameter_list = parameterTypeDef dots
 281
 282 (* --------------------------------------------------------------------- *)
 283 (* #define Parameters *)
 284
 285 and base_define_param =
 286     DParam        of ident
 287   | DPComma       of string mcode
 288   | DPdots        of string mcode (* ... *)
 289   | DPcircles     of string mcode (* ooo *)
 290   | OptDParam     of define_param
 291   | UniqueDParam  of define_param
 292
 293 and define_param = base_define_param wrap
 294
 295 and base_define_parameters =
 296     NoParams
 297   | DParams      of string mcode(*( *) * define_param dots * string mcode(* )*)
 298
 299 and define_parameters = base_define_parameters wrap
 300
 301 (* --------------------------------------------------------------------- *)
 302 (* Statement*)
 303
 304 and base_statement =
 305     Decl          of (info * mcodekind) (* before the decl *) * declaration
 306   | Seq           of string mcode (* { *) * statement dots *
 307                      string mcode (* } *)
 308   | ExprStatement of expression option * string mcode (*;*)
 309   | IfThen        of string mcode (* if *) * string mcode (* ( *) *
 310                      expression * string mcode (* ) *) *
 311                      statement * (info * mcodekind)
 312   | IfThenElse    of string mcode (* if *) * string mcode (* ( *) *
 313                      expression * string mcode (* ) *) *
 314                      statement * string mcode (* else *) * statement *
 315                      (info * mcodekind)
 316   | While         of string mcode (* while *) * string mcode (* ( *) *
 317                      expression * string mcode (* ) *) *
 318                      statement * (info * mcodekind) (* after info *)
 319   | Do            of string mcode (* do *) * statement *
 320                      string mcode (* while *) * string mcode (* ( *) *
 321                      expression * string mcode (* ) *) *
 322                      string mcode (* ; *)
 323   | For           of string mcode (* for *) * string mcode (* ( *) *
 324                      expression option * string mcode (*;*) *
 325                      expression option * string mcode (*;*) *
 326                      expression option * string mcode (* ) *) * statement *
 327                      (info * mcodekind) (* after info *)
 328   | Iterator      of ident (* name *) * string mcode (* ( *) *
 329                      expression dots * string mcode (* ) *) *
 330                      statement * (info * mcodekind) (* after info *)
 331   | Switch        of string mcode (* switch *) * string mcode (* ( *) *
 332                      expression * string mcode (* ) *) * string mcode (* { *) *
 333                      statement (*decl*) dots *
 334                      case_line dots * string mcode (* } *)
 335   | Break         of string mcode (* break *) * string mcode (* ; *)
 336   | Continue      of string mcode (* continue *) * string mcode (* ; *)
 337   | Label         of ident * string mcode (* : *)
 338   | Goto          of string mcode (* goto *) * ident * string mcode (* ; *)
 339   | Return        of string mcode (* return *) * string mcode (* ; *)
 340   | ReturnExpr    of string mcode (* return *) * expression *
 341                      string mcode (* ; *)
 342   | MetaStmt      of Ast_cocci.meta_name mcode * pure
 343   | MetaStmtList  of Ast_cocci.meta_name mcode (*only in statement lists*) *
 344                      pure
 345   | AsStmt        of statement * statement (* as statement, always metavar *)
 346   | Exp           of expression  (* only in dotted statement lists *)
 347   | TopExp        of expression (* for macros body *)
 348   | Ty            of typeC (* only at top level *)
 349   | TopInit       of initialiser (* only at top level *)
 350   | Disj          of string mcode * statement dots list * string mcode list *
 351                      string mcode
 352   | Nest          of string mcode * statement dots * string mcode *
 353                      (statement dots,statement) whencode list * Ast_cocci.multi
 354   | Dots          of string mcode (* ... *) *
 355                      (statement dots,statement) whencode list
 356   | Circles       of string mcode (* ooo *) *
 357                      (statement dots,statement) whencode list
 358   | Stars         of string mcode (* *** *) *
 359                      (statement dots,statement) whencode list
 360   | FunDecl of (info * mcodekind) (* before the function decl *) *
 361         fninfo list * ident (* name *) *
 362         string mcode (* ( *) * parameter_list * string mcode (* ) *) *
 363         string mcode (* { *) * statement dots *
 364         string mcode (* } *)
 365   | Include of string mcode (* #include *) * Ast_cocci.inc_file mcode(* file *)
 366   | Undef of string mcode (* #define *) * ident (* name *)
 367   | Define of string mcode (* #define *) * ident (* name *) *
 368         define_parameters (*params*) * statement dots
 369   | OptStm   of statement
 370   | UniqueStm of statement
 371
 372 and fninfo =
 373     FStorage of Ast_cocci.storage mcode
 374   | FType of typeC
 375   | FInline of string mcode
 376   | FAttr of string mcode
 377
 378 and ('a,'b) whencode =
 379     WhenNot of 'a
 380   | WhenAlways of 'b
 381   | WhenModifier of Ast_cocci.when_modifier
 382   | WhenNotTrue of expression
 383   | WhenNotFalse of expression
 384
 385 and statement = base_statement wrap
 386
 387 and base_case_line =
 388     Default of string mcode (* default *) * string mcode (*:*) * statement dots
 389   | Case of string mcode (* case *) * expression * string mcode (*:*) *
 390         statement dots
 391   | DisjCase of string mcode * case_line list *
 392         string mcode list (* the |s *) * string mcode
 393   | OptCase of case_line
 394
 395 and case_line = base_case_line wrap
 396
 397 (* --------------------------------------------------------------------- *)
 398 (* Positions *)
 399
 400 and meta_pos =
 401     MetaPos of Ast_cocci.meta_name mcode * Ast_cocci.meta_name list *
 402         Ast_cocci.meta_collect
 403
 404 (* --------------------------------------------------------------------- *)
 405 (* Top-level code *)
 406
 407 and base_top_level =
 408     NONDECL of statement (* cannot match all of a top-level declaration *)
 409   | TOPCODE of statement dots
 410   | CODE of statement dots
 411   | FILEINFO of string mcode (* old file *) * string mcode (* new file *)
 412   | ERRORWORDS of expression list
 413   | OTHER of statement (* temporary, disappears after top_level.ml *)
 414
 415 and top_level = base_top_level wrap
 416 and rule = top_level list
 417
 418 and parsed_rule =
 419     CocciRule of
 420       (rule * Ast_cocci.metavar list *
 421          (string list * string list * Ast_cocci.dependency * string *
 422             Ast_cocci.exists)) *
 423         (rule * Ast_cocci.metavar list) * Ast_cocci.ruletype
 424   | ScriptRule of string (* name *) *
 425       string * Ast_cocci.dependency *
 426         (Ast_cocci.script_meta_name *
 427            Ast_cocci.meta_name * Ast_cocci.metavar) list (*inherited vars*) *
 428         Ast_cocci.meta_name list (*script vars*) *
 429         string
 430   | InitialScriptRule of string (* name *) *
 431       string (*language*) * Ast_cocci.dependency * string (*code*)
 432   | FinalScriptRule of string (* name *) *
 433       string (*language*) * Ast_cocci.dependency * string (*code*)
 434
 435 (* --------------------------------------------------------------------- *)
 436
 437 and dependency =
 438     Dep of string (* rule applies for the current binding *)
 439   | AntiDep of dependency (* rule doesn't apply for the current binding *)
 440   | EverDep of string (* rule applies for some binding *)
 441   | NeverDep of string (* rule never applies for any binding *)
 442   | AndDep of dependency * dependency
 443   | OrDep of dependency * dependency
 444   | NoDep | FailDep
 445
 446 (* --------------------------------------------------------------------- *)
 447
 448 and anything =
 449     DotsExprTag of expression dots
 450   | DotsInitTag of initialiser dots
 451   | DotsParamTag of parameterTypeDef dots
 452   | DotsStmtTag of statement dots
 453   | DotsDeclTag of declaration dots
 454   | DotsCaseTag of case_line dots
 455   | IdentTag of ident
 456   | ExprTag of expression
 457   | ArgExprTag of expression  (* for isos *)
 458   | TestExprTag of expression (* for isos *)
 459   | TypeCTag of typeC
 460   | ParamTag of parameterTypeDef
 461   | InitTag of initialiser
 462   | DeclTag of declaration
 463   | StmtTag of statement
 464   | CaseLineTag of case_line
 465   | TopTag of top_level
 466   | IsoWhenTag of Ast_cocci.when_modifier (*only for when code, in iso phase*)
 467   | IsoWhenTTag of expression(*only for when code, in iso phase*)
 468   | IsoWhenFTag of expression(*only for when code, in iso phase*)
 469   | MetaPosTag of meta_pos
 470   | HiddenVarTag of anything list (* in iso_compile/pattern only *)
 471
 472 val dotsExpr : expression dots -> anything
 473 val dotsInit : initialiser dots -> anything
 474 val dotsParam : parameterTypeDef dots -> anything
 475 val dotsStmt : statement dots -> anything
 476 val dotsDecl : declaration dots -> anything
 477 val dotsCase : case_line dots -> anything
 478 val ident : ident -> anything
 479 val expr : expression -> anything
 480 val typeC : typeC -> anything
 481 val param : parameterTypeDef -> anything
 482 val ini : initialiser -> anything
 483 val decl : declaration -> anything
 484 val stmt : statement -> anything
 485 val case_line : case_line -> anything
 486 val top : top_level -> anything
 487
 488 (* --------------------------------------------------------------------- *)
 489
 490 val undots : 'a dots -> 'a list
 491
 492 (* --------------------------------------------------------------------- *)
 493 (* Avoid cluttering the parser.  Calculated in compute_lines.ml. *)
 494
 495 val default_info : unit -> info
 496 val default_befaft : unit -> mcodekind
 497 val context_befaft : unit -> mcodekind
 498 val wrap : 'a -> 'a wrap
 499 val context_wrap : 'a -> 'a wrap
 500 val unwrap : 'a wrap -> 'a
 501 val unwrap_mcode : 'a mcode -> 'a
 502 val rewrap : 'a wrap -> 'b -> 'b wrap
 503 val rewrap_mcode : 'a mcode -> 'b -> 'b mcode
 504 val copywrap : 'a wrap -> 'b -> 'b wrap
 505 val get_pos : 'a mcode -> anything list
 506 val get_pos_ref : 'a mcode -> anything list ref
 507 val set_pos : anything list -> 'a mcode -> 'a mcode
 508 val get_info : 'a wrap -> info
 509 val set_info : 'a wrap -> info -> 'a wrap
 510 val get_index : 'a wrap -> int
 511 val set_index : 'a wrap -> int -> unit
 512 val get_line : 'a wrap -> int
 513 val get_line_end : 'a wrap -> int
 514 val get_mcodekind : 'a wrap -> mcodekind
 515 val get_mcode_mcodekind : 'a mcode -> mcodekind
 516 val get_mcodekind_ref : 'a wrap -> mcodekind ref
 517 val set_mcodekind : 'a wrap -> mcodekind -> unit
 518 val set_type : 'a wrap -> Type_cocci.typeC option -> unit
 519 val get_type : 'a wrap -> Type_cocci.typeC option
 520 val set_dots_bef_aft : statement -> dots_bef_aft -> statement
 521 val get_dots_bef_aft : 'a wrap -> dots_bef_aft
 522 val set_arg_exp : expression -> expression
 523 val get_arg_exp : expression -> bool
 524 val set_test_pos : expression -> expression
 525 val get_test_pos : 'a wrap -> bool
 526 val set_test_exp : expression -> expression
 527 val get_test_exp : 'a wrap -> bool
 528 val set_iso : 'a wrap -> (string*anything) list -> 'a wrap
 529 val get_iso : 'a wrap -> (string*anything) list
 530 val fresh_index : unit -> int
 531 val set_mcode_data : 'a -> 'a mcode -> 'a mcode
 532 val make_mcode : 'a -> 'a mcode
 533 val make_mcode_info : 'a -> info -> 'a mcode
 534 val make_minus_mcode : 'a -> 'a mcode
 535
 536 val meta_pos_name : anything -> Ast_cocci.meta_name mcode
 537
 538 val ast0_type_to_type : typeC -> Type_cocci.typeC
 539 val reverse_type : Type_cocci.typeC -> base_typeC
 540 exception TyConv
 541
 542 val lub_pure : pure -> pure -> pure
 543
 544 (* --------------------------------------------------------------------- *)
 545
 546 val rule_name : string ref (* for the convenience of the parser *)